Selenite and Starlite Physical Properties

Selenite and Starlite Chemical Formula

While comparing Selenite and Starlite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Selenite and Starlite chemical formula.

• Chemical formula of Selenite- CaSO4·2H2O
• Chemical formula of Starlite- ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Selenite and Starlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Selenite and Starlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Selenite and Starlite Optical Properties during the identification of gemstone. Specific gravity of Selenite is 3.91-4.73 whereas that of Starlite is 3.91-4.73.